| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '411') AND (category.subclass = '517') ORDER BY assigned_to ASC, date, patent, type |
Total of 3 patents found where: Class is '411'; Subclass is '517';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| U | 773,733 | November 1, 1904 | Insulator Wall tube with ribs and metal clip |
GREENE, Leon W. |
Wall Tube | |
| U | 1,080,257 | December 2, 1913 | Insulator Wall tube with metal clip |
BRUCHSALER, Karl |
Wall Tube | |
| Lapp Insulator Co. | ||||||
| U | 1,738,188 | December 3, 1929 | Insulating Support Suspension cap, pin and connector |
LANYON, Samuel Herbert |
Suspension | Lapp Insulator Co. |
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